In the novel, There are two main character's in the story, Anna and her sister Kate. Anna is the older sister and she has leiukemia. Kate was "born for a specific purpose, to save her sister." Anna wants to be able to live, so does Kate she is more of a free spirit and she wants her own life and to live it but she somewhat trapped to Anna. She loves her sister, but doesn't want to let her health go to waste. all in al, i thought this book was reall sttpid because this would never happen in life.